diff options
author | Markus Pargmann <mpa@pengutronix.de> | 2014-05-27 08:24:24 (GMT) |
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committer | Mark Brown <broonie@linaro.org> | 2014-06-01 10:55:08 (GMT) |
commit | 737a6b418a83d8de87e0170010dce9fc2399b4e8 (patch) | |
tree | fb5dbfd299dcbc9e5d7060dc665c6eb5182c01aa /sound/soc | |
parent | d429d8e3324cae120784a1e194ef6ea62aeb327e (diff) | |
download | linux-737a6b418a83d8de87e0170010dce9fc2399b4e8.tar.xz |
ASoC: fsl-ssi: reorder and document fsl_ssi_private
Reorder all variables in struct fsl_ssi_private to have groups that make
sense together. The patch also updates the struct documentation.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Tested-By: Michael Grzeschik <mgr@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc')
-rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 58 |
1 files changed, 43 insertions, 15 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index ac78660..9fe3a10 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -141,36 +141,64 @@ struct fsl_ssi_soc_data { /** * fsl_ssi_private: per-SSI private data * - * @ssi: pointer to the SSI's registers - * @ssi_phys: physical address of the SSI registers + * @ssi: Pointer to the memory area * @irq: IRQ of this SSI - * @playback: the number of playback streams opened - * @capture: the number of capture streams opened - * @cpu_dai: the CPU DAI for this device - * @dev_attr: the sysfs device attribute structure - * @stats: SSI statistics + * @cpu_dai_drv: CPU DAI driver for this device + * + * @dai_fmt: DAI configuration this device is currently used with + * @i2s_mode: i2s and network mode configuration of the device. Is used to + * switch between normal and i2s/network mode + * mode depending on the number of channels + * @use_dma: DMA is used or FIQ with stream filter + * @use_dual_fifo: DMA with support for both FIFOs used + * @fifo_deph: Depth of the SSI FIFOs + * @rxtx_reg_val: Specific register settings for receive/transmit configuration + * + * @clk: SSI clock + * @baudclk: SSI baud clock for master mode + * @baudclk_streams: Active streams that are using baudclk + * @bitclk_freq: bitclock frequency set by .set_dai_sysclk + * + * @dma_params_tx: DMA transmit parameters + * @dma_params_rx: DMA receive parameters + * @ssi_phys: physical address of the SSI registers + * + * @fiq_params: FIQ stream filtering parameters + * + * @pdev: Pointer to pdev used for deprecated fsl-ssi sound card + * + * @dbg_stats: Debugging statistics + * + * @soc: SoC specifc data */ struct fsl_ssi_private { struct ccsr_ssi __iomem *ssi; - dma_addr_t ssi_phys; unsigned int irq; - unsigned int fifo_depth; struct snd_soc_dai_driver cpu_dai_drv; - struct platform_device *pdev; - unsigned int dai_fmt; + unsigned int dai_fmt; + u8 i2s_mode; bool use_dma; bool use_dual_fifo; - u8 i2s_mode; - struct clk *baudclk; + unsigned int fifo_depth; + struct fsl_ssi_rxtx_reg_val rxtx_reg_val; + struct clk *clk; + struct clk *baudclk; unsigned int baudclk_streams; unsigned int bitclk_freq; + + /* DMA params */ struct snd_dmaengine_dai_dma_data dma_params_tx; struct snd_dmaengine_dai_dma_data dma_params_rx; + dma_addr_t ssi_phys; + + /* params for non-dma FIQ stream filtered mode */ struct imx_pcm_fiq_params fiq_params; - /* Register values for rx/tx configuration */ - struct fsl_ssi_rxtx_reg_val rxtx_reg_val; + + /* Used when using fsl-ssi as sound-card. This is only used by ppc and + * should be replaced with simple-sound-card. */ + struct platform_device *pdev; struct fsl_ssi_dbg dbg_stats; |